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Svetllana [295]
2 years ago
9

Find the surface area of this net.

Mathematics
1 answer:
Elden [556K]2 years ago
3 0

Answer:

<h2>231cm²</h2>

Step-by-step explanation:

First, let's find the surface area of both the triangles

5x3=15

So, the surface area of the triangles is 15 sq.cm

Now, let's find the surface area of the base (large rectangle in the middle)

12x8=?

10x8=80

2x8=16

80+16=96

12x8=96

So, the surface area of the base, is 96sq.cm

Now, let's find the surface area of both of the side rectangles

12x5=60

60x2=120

So, the surface area of the two side rectangles is 120sq.cm

Now, let's find the total surface area by adding all of our answers.

120+96=216

216+15=231

<h2>So hence, the surface area of this net is 231cm²</h2>
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What is 200,000(70,981 - 43,005)+22,984 ?
BigorU [14]

Answer:

5,595,222,984 I think this is right it is what my calculator gave me.

6 0
3 years ago
Show me the equation for 3 less than 5 times a number is 12 use X for the variable
ANEK [815]

Answer:

The required equation is 5x - 3 = 12

Step-by-step explanation:

We have to find the equation for the given condition

Let the number be x as given in the equation

Now according to the condition

5 time the Number is 5 *x = 5x

Three less then 5 time the Number would be 5x - 3

And all of it is equal to 12

Which gives us the equation

5x - 3 =12

The required equation is <em>5x - 3 = 12</em>

7 0
4 years ago
9) The present ages of Juna and Jubin are in the ratio 5:8. After 4 years the sum
vodka [1.7K]

Answer:

Present age of Juna = 10 years

Present age of Jubin = 16 years

Step-by-step explanation:

Ratio of present ages = 5: 8

Let the present ages of:

Juna be 5x years and Jubin be 8x years

(where x is the common multiplier of the given ratios)

Four years after:

Juna's age = (5x + 4) years

Jubin's age = (8x + 4) years

According to the question:

(5x + 4) + (8x + 4) = 34

13x + 8 = 34

13x = 34 - 8

13x = 26

x = 26/13

x = 2

5x = 5*2 = 10 years

8x = 8*2 = 16 years

Hence,

Present age of Juna = 10 years

Present age of Jubin = 16 years

4 0
3 years ago
HELP ASAP!!
Alecsey [184]
The common difference equals:
10 (as 14-4=10, 24-14=10…)

The explicit formula of this sequence is:
Because Tn=4+(n-1)•10
T1=4+(1-1)•10=4
T2=4+(2-1)•10=14
.
.
.
Therefore T8=4+(8-1)•10=74

So the answer is the second option:)
6 0
2 years ago
Find the equation of the line in slope-intercept form that passes through the following point with the given slope. Simplify you
mariarad [96]

Answer:

The answer to your question is:   y = -34x -3

Step-by-step explanation:

The equation of the line slope-intercept is y = mx + b

So, first we use this equation (y - y1) = m(x - x1)

Now we substitute the values given

                                             ( y + 3) = -34 (x - 0)

Now, expand                          y + 3 = -34x + 0

Finally, clear y from the equation        

                                               y = -34x -3

4 0
3 years ago
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